S7r47e50 is an attempt to write a version of Stratego for Linux in Ruby using mySQL for 'opening books', a minimax algorithm as the AI, and TCP/IP bindings for internet multiplayer options. It will be licenses under the GPL v2.

Sqwar is an implementation of the pencils-and-paper game Squares (aka dots-and-lines) with some enhancements. Players are presented with a grid of dots and take turns to draw lines; if a player completes a square, he scores and plays again.

simbolz is a project which wants to create a new, totally logical, simple free language and computer-system.
It should be usable as an programming language and, for communication between humans, and it wants to be able to explain complex structures.